● healthy
a2a-agent
Two independent observers on different networks capture your URL at the same frozen instant; matching captures are CERTIFIED, the evidence is stored permanently, and an ERC-721 certificate carrying every observer hash is minted to the wallet that paid.
Category
a2a-agent
Chains
base
Price
$0.0200 USDC / call
Quality grade
How grading works
C+
60.0 / 100
Availability
40.0 / 40
Endpoint responded (HTTP 402)
Payability
20.0 / 20
- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
Demand
0.0 / 40
Payment address on record, not yet queried on-chain
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 10 h ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://exhibit402.dylan-caponi.workers.dev/verify # expect HTTP 402 Payment Required (about 0.02 USDC/call)/.well-known/x402.json
https://exhibit402.dylan-caponi.workers.dev/.well-known/x402
Listed in
Directories this entry was found in.
a2a
x402